Home / 47,217.29-70,809.42-13,928.52

Finding the Fourth Proportional to 47,217.29, 70,809.42 and 13,928.52

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Solution

The fourth proportional to 47,217.29, 70,809.42 and 13,928.52 is: 20,887.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,217.29 : 70,809.42 = 13,928.52 : x
  2. Step 2: Convert to fraction form
    47,217.29/70,809.42 = 13,928.52/x
  3. Step 3: Cross multiply
    47,217.29x = 70,809.42 × 13,928.52
  4. Step 4: Simplify right side
    47,217.29x = 986,270,103.43
  5. Step 5: Solve for x
    x = 986,270,103.43/47,217.29
  6. Step 6: Final answer
    x = 20,887.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.